js multiply letters code example

Example 1: JavaScript repeat character

var a="a";
var aaa=a.repeat(3); // "aaa"

Example 2: string repeat

// hey buddy, here are different implementations, choose your favourite !!


// best implementation
repeatStr = (n, s) => s.repeat(n);


// short
function repeatStr(n, s) {
  return s.repeat(n);
}


// without using repeat
function repeatStr(n, s) {
  var str = "";
  for (var i = 0; i < n; i++) str += s;
  return str;
}